linux-kernel - Re: [PATCH 2/5] x86, mpx: hook #BR exception handler to allocate bound tables

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Message-ID: <20140117165656.GA9024@pd.tnic>
Date:	Fri, 17 Jan 2014 17:56:56 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Ren Qiaowei <qiaowei.ren@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/5] x86, mpx: hook #BR exception handler to allocate
 bound tables

On Fri, Jan 17, 2014 at 08:51:31AM -0800, H. Peter Anvin wrote:
> We shouldn't have any BOUND or MPX instructions in kernel space.  Panic.

How do we enforce that?

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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